mariadb/mysql-test/suite/innodb/t/instant_alter_extend.test

--source include/have_innodb.inc
--source include/maybe_debug.inc

-- echo #
-- echo # MDEV-15563: Instant ROW_FORMAT=REDUNDANT column type change&extension
-- echo #

# Use character-set-server in test db
create or replace database test;
use test;

set default_storage_engine=innodb;
set @save_format= @@GLOBAL.innodb_default_row_format;
SET GLOBAL innodb_default_row_format=redundant;
set @bigval= repeat('0123456789', 30);

delimiter ~~;
create or replace procedure check_table(table_name varchar(255))
begin
  select table_id into @table_id
  from information_schema.innodb_sys_tables
  where name = concat('test/', table_name);
  select name, mtype, hex(prtype) as prtype, len
  from information_schema.innodb_sys_columns
  where table_id = @table_id;
end~~
delimiter ;~~


--echo # VARCHAR -> CHAR, VARBINARY -> BINARY conversion
set @bigval= repeat('0123456789', 20);

create or replace table t (a varchar(300));
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
alter table t modify a char(255), algorithm=instant;
alter table t modify a char(255), algorithm=copy;

create or replace table t (a varchar(200));
insert into t values (@bigval);
insert into t values ('z');
if ($have_debug) {
--disable_query_log
# This should not be reachable.
set @save_debug= @@SESSION.debug_dbug;
set debug_dbug= '+d,ib_instant_error';
--enable_query_log
}
alter table t modify a char(200), algorithm=instant;
select count(a) from t where a = @bigval;
select a, length(a) from t where a = 'z';

check table t extended;
call check_table('t');

--echo # CHAR enlargement
alter table t modify a char(220), algorithm=instant;
select count(a) from t where a = @bigval;
select a, length(a) from t where a = 'z';

check table t extended;
call check_table('t');

--echo # Convert from VARCHAR to a bigger CHAR
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
alter table t modify a varchar(200), algorithm=instant;
alter table t modify a varchar(200), algorithm=copy;
alter table t modify a char(255), algorithm=instant;
select count(a) from t where a = @bigval;
select a, length(a) from t where a = 'z';

select * from t;
check table t extended;
call check_table('t');

--echo # BINARY/VARBINARY test
create or replace table t (a varbinary(300));
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
alter table t modify a binary(255), algorithm=instant;
alter table t modify a binary(255), algorithm=copy;

create or replace table t (a varbinary(200));
insert into t values (@bigval);
insert into t values ('z');
alter table t modify a binary(200), algorithm=instant;
select count(a) from t where a = @bigval;
select length(a) from t where left(a, 1) = 'z';

check table t extended;
call check_table('t');

--echo # BINARY enlargement
alter table t modify a binary(220), algorithm=instant;

check table t extended;
call check_table('t');

--echo # Convert from VARBINARY to a bigger BINARY
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
alter table t modify a varbinary(220), algorithm=instant;
alter table t modify a varbinary(220), algorithm=copy;
alter table t modify a binary(255), algorithm=instant;
select count(a) from t where a = @bigval;
select a, length(a) from t where a = 'z';

select * from t;
check table t extended;
call check_table('t');


--echo # Integer conversions
create or replace table t (x tinyint);
insert into t values (127);
alter table t modify x smallint, algorithm=instant;
select * from t;
check table t extended;
call check_table('t');

update t set x= 32767;
alter table t modify x mediumint, algorithm=instant;
select * from t;
check table t extended;
call check_table('t');

update t set x= 8388607;
alter table t modify x int, algorithm=instant;
select * from t;
check table t extended;
call check_table('t');

update t set x= 2147483647;
alter table t modify x bigint, algorithm=instant;
select * from t;
check table t extended;
call check_table('t');

if ($have_debug) {
--disable_query_log
# This should not be reachable.
set debug_dbug= @save_debug;
--enable_query_log
}

--echo # Check IMPORT TABLESPACE
--let $MYSQLD_DATADIR= `select @@datadir`
create or replace table t2 (x int);
alter table t2 discard tablespace;

create or replace table t1 (x tinyint);
insert into t1 set x= 42;
alter table t1 modify x int;
flush tables t1 for export;
--move_file $MYSQLD_DATADIR/test/t1.cfg $MYSQLD_DATADIR/test/t2.cfg
--copy_file $MYSQLD_DATADIR/test/t1.ibd $MYSQLD_DATADIR/test/t2.ibd
unlock tables;

alter table t2 import tablespace;

select * from t2;
check table t2 extended;
call check_table('t2');

--echo # Check innobase_col_to_mysql() len < flen
create or replace table t1 (x mediumint);
insert into t1 values (1);
insert into t1 values (1);
alter table t1 add column y int first, modify x int, algorithm instant;
--error ER_DUP_ENTRY
alter table t1 add column z int first, add primary key (x);

--echo # Check assertion in wrong instant operation
create or replace table t1 (a varchar(26) not null) default character set utf8mb4;
alter table t1 modify a varchar(25) not null;

--echo # Check row_mysql_store_col_in_innobase_format()
create or replace table t1(x int primary key, a varchar(20));
insert into t1 (x) values (1);
update t1 set a= 'foo' where x = 2;

--echo #
--echo # MDEV-18124 PK on inplace-enlarged type fails
--echo #
create or replace table t1 (x int, y int);
insert into t1 (x, y) values (11, 22);
alter table t1 modify x bigint, algorithm instant;
alter table t1 add primary key (x), algorithm inplace;
check table t1;

create or replace table t1 (a varchar(10), y int);
insert into t1 (a, y) values ("0123456789", 33);
alter table t1 modify a char(15), algorithm instant;
alter table t1 add primary key (a), algorithm inplace;
check table t1;

create or replace table t1 (x int primary key, y int);
insert into t1 (x, y) values (44, 55);
alter table t1 modify x bigint, algorithm inplace;
check table t1;

create or replace table t1 (x int primary key, y int);
insert into t1 values (66, 77);
alter table t1 add column z int, algorithm instant;
alter table t1 drop column y, algorithm instant;

create or replace table t1 (x integer, a varchar(20));
alter table t1 add index idx3 (a);
insert into t1 (x, a) values (73, 'a');
alter table t1 modify a char(20);

create or replace database test charset latin1;
SET GLOBAL innodb_default_row_format=@save_format;